//
//  NSString+URLEncoding.m
//
//  Created by Jon Crosby on 10/19/07.
//  Copyright 2007 Kaboomerang LLC. All rights reserved.
//  Modified by Cassie Doll on 02/02/09
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.


#import "NSString+URLEncoding.h"


@implementation NSString (OAURLEncodingAdditions)

- (NSString *)URLEncodedString 
{
  NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                                         (CFStringRef)self,
                                                                         NULL,
                                                                         CFSTR("!*'();:@&=+$,/?#[]"),
                                                                         kCFStringEncodingUTF8);
  [result autorelease];
  return result;
}

- (NSString *)MinimalURLEncodedString {
  NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                                         (CFStringRef)self,
                                                                         CFSTR("%"),             // characters to leave unescaped (NULL = all escaped sequences are replaced)
                                                                         CFSTR("?=&+"),          // legal URL characters to be escaped (NULL = all legal characters are replaced)
                                                                         kCFStringEncodingUTF8); // encoding
  [result autorelease];
  return result;
}

- (NSString*)URLDecodedString
{
  NSString *result = (NSString *)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault,
                                                                                         (CFStringRef)self,
                                                                                         CFSTR(""),
                                                                                         kCFStringEncodingUTF8);
  [result autorelease];
  return result;  
}

@end
